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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Martins, R.P. Franca, J.E. Maloberti, F. |
| Copyright Year | 1991 |
| Description | Author affiliation: University of Pavia, Department of Electronics, Via Abbiategrasso, Pavia, Italy. (Maloberti, F.) || Instituto Superior Técnico, Department of Electrical and Computer Engineering, Av. Rovisco Pais, 1, 1096 Lisboa Codex, Portugal. (Martins, R.P.; Franca, J.E.) |
| Abstract | An optimum anti-aliasing switched-capacitor (SC) decimator is capable of achieving a high input sampling ratio while employing operational amplifiers operating at a much lower frequency than what would be needed in conventional SC filtering circuits. This is demonstrated considering the design of a 2nd. order SC decimator building block which has been realised in a 1.8μm CMOS double-poly technology, and achieves a frequency decimation capability from 16.59MHz to 5.53MHz with a total power consumption of only 1.75 mW. The experimental evaluation of the resulting performance behavior has been carried-out not only with respect to the non-ideal characteristics of the amplifiers but also with respect to the errors which may occur associated with the switch timing controlling the operation of the circuit. |
| Starting Page | 13 |
| Ending Page | 16 |
| File Size | 1516382 |
| Page Count | 4 |
| File Format | |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1991-09-11 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | Tecniche Nuove |
| Subject Keyword | Sampling methods Frequency Switching circuits Operational amplifiers CMOS technology Switches Filtering Energy consumption Error correction Timing |
| Content Type | Text |
| Resource Type | Article |
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